Hindu Achievements in Exact Science: A Study in the History of Scientific Development c15.27

c15.27

(*e*) Electricity: Most rudimentary electrical phenomena may have been noticed by Umasvati (a.d. 50). His theory of atomic linking was based on the idea that the two atoms to be combined must have two opposite qualities. He believed that atoms attracted and repelled each other according as they were heterogeneous (i.e., unlike), and homogeneous (i.e., like), respectively.⁵⁹